﻿// 
//    Copyright 2010 The JaernCloud Project
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
// 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Linq.Expressions;

namespace JaernCloud.Language.Runtime {
    
    public static class RuntimeUtils {

        public static Expression EnsureObjectResult(Expression expr) {
            if (!expr.Type.IsValueType)
                return expr;
            if (expr.Type == typeof(void)) {
                return Expression.Block(expr, Expression.Default(typeof(object)));
            } else {
                return Expression.Convert(expr, typeof(object));
            }
        }

    }
}
